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Pharm Dev Technol
October 2010
Department of Pharmacy, Uppsala University, Uppsala, Sweden.
In this paper, the degree of mechanical activation of particles due to mechanical straining without subsequent breakage has been studied. Griseofulvin micro-particles of about 2 microm in size were mixed with glass beads (proportion 1:99) in a tumbling mixer. After a series of mixing times, ranging from 2-96 hours, samples were withdrawn and the particle size and the degree of crystallinity were assessed.
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